SIC OpenIR
Selective Transfer Hydrogenation of Cinnamaldehyde with Alcohol on Amorphous TiO2 Catalysts: Competitive Adsorption between H2O and Carbonyl
Qiao, SM; Liu, XC; Zhou, YY; Wang, HP; Zhang, L; Wang, WZ
2020-05-08
Source PublicationCHEMISTRYSELECT
ISSN2365-6549
Issue17Pages:5162
SubtypeArticle
AbstractReduced amorphous TiO2 (A-TiO2), with high coverage of electrons and protons on its surface, supplies a steady-state condition for selective hydrogenation reaction. Generally, there are some complex hydrogenation reaction products ascribed to the presence of multiple adsorption modes of cinnamaldehyde (CAL). In our work, the saturated aldehyde (similar to 48%) and unsaturated alcohol (52%) coexist in the products with a ratio of near 1 : 1, while the saturated alcohol is not produced in the reaction. Furthermore, the presence of H2O could suppress the adsorption of the C=O group while the C=C group could be strongly adsorbed on the surface of A-TiO2, which results in the high selectivity of HCAL (similar to 84%). We explain these results by proposing a reaction mechanism with several adsorption modes of CAL affected by the solvents. This discovery also puts forward a new method for promoting the selectivity of COL by removing the H2O in the reaction system.
DOI10.1002/slct.202000565
WOS KeywordVERLEY-TYPE REDUCTION ; CHEMOSELECTIVE HYDROGENATION ; ALPHA,BETA-UNSATURATED ALDEHYDES ; UNSATURATED ALDEHYDES ; NANOPARTICLES ; PALLADIUM ; PT(111) ; ETHANOL ; BOND ; AU
Language英语
WOS Research AreaChemistry
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28075
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Qiao, SM,Liu, XC,Zhou, YY,et al. Selective Transfer Hydrogenation of Cinnamaldehyde with Alcohol on Amorphous TiO2 Catalysts: Competitive Adsorption between H2O and Carbonyl[J]. CHEMISTRYSELECT,2020(17):5162.
APA Qiao, SM,Liu, XC,Zhou, YY,Wang, HP,Zhang, L,&Wang, WZ.(2020).Selective Transfer Hydrogenation of Cinnamaldehyde with Alcohol on Amorphous TiO2 Catalysts: Competitive Adsorption between H2O and Carbonyl.CHEMISTRYSELECT(17),5162.
MLA Qiao, SM,et al."Selective Transfer Hydrogenation of Cinnamaldehyde with Alcohol on Amorphous TiO2 Catalysts: Competitive Adsorption between H2O and Carbonyl".CHEMISTRYSELECT .17(2020):5162.
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